[gnome-sudoku/arnaudb/wip/gtk4: 37/43] Adapt to GtkStack API.

[Arnaud B. <arnaudb src gnome org>]

commit f94f9734bd09673c0d93ef1ac0390cb9ef32fbc7
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Wed Apr 29 09:52:53 2020 +0200

    Adapt to GtkStack API.

 data/gnome-sudoku.ui | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/data/gnome-sudoku.ui b/data/gnome-sudoku.ui
index bd94234..63fd509 100644
--- a/data/gnome-sudoku.ui
+++ b/data/gnome-sudoku.ui
@@ -126,7 +126,8 @@
         <property name="orientation">vertical</property>
         <child>
           <object class="GtkStack" id="main_stack">
-            <property name="homogeneous">True</property>
+            <property name="hhomogeneous">True</property>
+            <property name="vhomogeneous">True</property>
             <property name="margin-start">25</property>
             <property name="margin-end">25</property>
             <property name="margin-top">25</property>